Abstract
It is established that the orientation effect in polymethylmethacrylate, assessed from the alteration in its properties, does not completely vanish after stabilization of the volume of the polymer during heating. A comparative evaluation of the physicomechanical properties in the unoriented, oriented, and oriented-and-restored states of the polymer indicates that some traces of orientation are retained.
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Literature cited
G. M. Bartenev and A. A. Valishin, Mekhan. Polim., No. 6, 1021 (1972).
B. V. Perov, E. S. Osikina, and V. P. Volkova, Mekhan. Polim., No. 1, 17 (1971).
Additional information
Lenin Kom somol Riga Institute of Civil-Aviation Engineers. Translated from Mekhanika Polimerov, No. 5, pp. 830–834, September–October, 1973.
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Prosvirin, V.I., Panteleev, E.P. Reversibility of the orientation effect in linear polymers. Polymer Mechanics 9, 733–736 (1973). https://doi.org/10.1007/BF00856267
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DOI: https://doi.org/10.1007/BF00856267